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What are the common pests and diseases of pear trees? Targeted medication and control methods
What are the common pests and diseases of pear trees? What pesticides should be used to control them effectively? Please introduce the following common pests and diseases of pear trees and their control methods (for reference): Pear ring rot and pear branch and trunk rot: apply medication 10 days after the pear tree finishes flowering. For pear ring rot, you can choose 21% Guofukang 800-1000 times solution or 68.5% DuPont Yibao 80...
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What diseases affect grapes in summer? Detailed planting techniques
What diseases affect grapes in summer? Please introduce them and explain the control methods. In summer, grape growing requires special attention to disease control, especially the control of black pox, white rot, anthracnose, and downy mildew. Focus on prevention, and spray promptly. For medicines with a residual effectiveness period of 17-21 days, generally spray once every 15 days...
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What are the methods for pollution-free tea pest and disease control
How to control pests and diseases in pollution-free tea? Please guide. The development of integrated pest management technology has ensured high-quality and high-yield tea production, but there are still some problems that urgently need to be solved, especially the development of pollution-free tea production, which has put forward higher requirements for pest and disease control. Tea garden pest and disease flora changes...
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What are the tea plant pests and diseases? Detailed explanation of common types
What should be noted during tea cultivation? Please refer to the following tea cultivation methods for your reference: 1. Field management of nurseries and young tea plantations: promptly clear away stones and other debris from nursery plots and young tea plantations, drain standing water, straighten tea seedlings, and use pruning shears to cut off the injured parts of damaged young tea seedlings; count as soon as possible...
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Detailed Explanation of Pest and Disease Control Methods in Summer Corn Cultivation
How do you control pests and diseases when growing summer corn? Please explain the methods. For summer corn cultivation, the following methods can be used for pest and disease control: 1. Seed treatment. For every 100 kg of seed, use 100-150 ml of Manshijin + 100-200 g of Liangsui (or Likerxiu) + 170 ml of Shuaimiao for seed coating. This can control seedling blight, root rot, stem base rot and other corn seedling-stage diseases, underground pests and head smut.
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How can large-scale summer corn planting be made to increase yields?
How can large-scale summer corn planting be made to increase yields? Please explain the methods. To achieve a high yield when growing corn, you need to start with the following points: (1) Select good varieties according to local conditions. According to the planting purpose and production area, choose approved varieties, dominant varieties released by the government, and excellent varieties selected from local official demonstrations; ...
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How to control weeds, pests and diseases during summer corn cultivation?
How to control weeds, pests and diseases when planting summer corn? Please explain: after sowing summer corn and before emergence, it is susceptible to damage from underground pests such as cutworms; at the seedling stage it faces damage from small brown planthoppers, Athetis lepigone, wireworms, thrips, aphids, etc.; at the grain-filling stage, major diseases such as stalk rot (green wilt), ear rot, leaf spot diseases and southern rust occur locally, and major pests such as corn borers and aphids cause severe damage; there may also be harmful organisms that cause corn lodging and stalk breakage, affecting corn yield and mechanized operations.
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Garlic Cultivation Techniques: What Are the Common Diseases?
What diseases affect garlic? Here is an introduction. Garlic diseases can be illustrated by the following examples: 1. Types of garlic diseases. 1. Round leaf (also called barrel): This disease mainly appears during the period before the garlic scape emerges. The leaves at the top of the garlic form a barrel shape that tightly wraps the garlic scape inside the barrel, causing the scape to become enclosed or broken. ...
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Common Summer Eggplant Pests and Diseases and Their Control Methods
Which pests and diseases need to be controlled in summer eggplant? The following are several pests and diseases that need to be controlled in summer eggplant for reference: I. Control of eggplant insect pests 1. Red spider mite: For agricultural control, keep the soil moist regularly, avoid excessive drought, remove weeds and fallen leaves in time, and reduce sources of the pest. For chemical control, strengthen...
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What disease is brown rot in papaya cultivation?
What is papaya brown rot? Here is an introduction and control methods. Symptoms of papaya brown rot: Brown rot mainly damages the fruit, but can also damage flowers and young shoots. When the fruit is affected, small brown, nearly round spots appear first, and as the disease develops, the spots continue to expand. When conditions are suitable, the spots quickly spread over the entire fruit surface,...
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